My car runs ok for a mile and then starts to hesitate and almost stall then shoots forward and almost stalls and shoots forward etc.
I have replaced the mass air flow sensor and spark plugs and fuel filter and used injector cleaner. Each fix helps for a couple of days and then the hesitation comes back.The problem is somewhat intermitant.
Change the the O2 senor on the catalytic convert. Its probably dead.
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I have a 1995 Volvo 960 with similiar problem, the car drives fine when engine is cold and at high rpm's but when engine warms up and I have to stop it stalls and hesitates I've replaced plugs, have a new O2 sensor, and havre cleaned the MAF. I get error code 212 and am about to replace the MAF but it is very expensive. Any help quickly would be great.
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